Industry Segment Information (Tables)

12 Months Ended

Dec. 31, 2011

Industry Segment Information [Abstract]

Schedule Of Financial Information Attributable To The Reporting Segments

	Net Sales		Income From Operations		Identifiable Assets		Capital Expenditures		Depreciation and Amortization
2011
Electrical	$	2,533,363	$	222,574	$	3,139,260	$	53,825	$	92,017
Mechanical		274,969		33,139		127,255		3,796		6,221
Total	$	2,808,332	$	255,713	$	3,266,515	$	57,621	$	98,238
2010
Electrical	$	2,001,989	$	210,231	$	2,323,164	$	41,065	$	66,746
Mechanical		235,989		27,504		125,972		3,929		6,123
Total	$	2,237,978	$	237,735	$	2,449,136	$	44,994	$	72,869
2009
Electrical	$	1,637,668	$	144,901	$	1,990,686	$	29,503	$	63,749
Mechanical		188,609		14,619		121,551		4,101		5,395
Total	$	1,826,277	$	159,520	$	2,112,237	$	33,604	$	69,144

Schedule Of Financial Information Attributable To Geographic Regions

	Net Sales
	2011		2010		2009
Geographic Information:
United States	$	1,798,218	$	1,530,866	$	1,335,046
Asia		552,308		414,786		267,035
Rest of the World		457,806		292,326		224,196
	$	2,808,332	$	2,237,978	$	1,826,277

	Long-Lived Assets (Net Property, Plant and Equipment)
	2011		2010		2009
Geographic Information:
United States	$	211,360	$	188,675	$	189,959
Asia		165,701		109,330		81,922
Rest of the World		156,920		98,370		71,190
	$	533,981	$	396,375	$	343,071